this derivation will be built:
  /nix/store/rd6m1zg3b9lijrvwv1fn3z58k6paq6fz-nix-shell.drv
building '/nix/store/rd6m1zg3b9lijrvwv1fn3z58k6paq6fz-nix-shell.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/rd6m1zg3b9lijrvwv1fn3z58k6paq6fz-nix-shell.drv' on farm.numtide.com:50051
nix-shell> elastic-arm-dbc77f58: building rd6m1zg3b9lijrvwv1fn3z58k6paq6fz-nix-shell.drv
nix-shell> cargoVendorDir not set, will not attempt to remove any references
nix-shell> cargoVendorDir not set, will not automatically configure vendored sources
nix-shell> cargoArtifacts not set, will not reuse any cargo artifacts
nix-shell> Running phase: buildPhase